Clinging to an old identity because you invested years in it is how people become museums of themselves. Drop what no longer fits. Sunk cost is not a personality.
Drop the old identity when it stops fitting.
Other Truths you may like to hear
Life
Nobody is thinking about you
Stop policing yourself for spectators who are not watching.
LifeYour twenties are not a rehearsal
Treat this decade like it counts, because it does.
LifeBusyness is not purpose
A packed calendar can still be an empty life.
LifeMoving will not fix you
A new city with the same habits is the same prison.